<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>Window Test (Popup)</title>
</head>
<body>
  <h1>Window Test (Popup)</h1>
  <hr>
  <p id="message">${message}</p>
  <div>
    <button id="close" onclick="window.close();">Close</button>
  </div>
</body>
</html>
